
class A{
    public int getNumber (int a){
        return  a+1;
    }
}
class B extends A{
    public int getNumber (int a){
        return a+100;
    }
    public static void main (String args[]){
        A a =new A();
        System.out.println(a.getNumber(10));
        a =new B();
        System.out.println(a.getNumber(10));
    }
}
